#app {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #686DE0;
}

.box {
    width: 50%;
    background-color: #fff;
    padding: 50px 60px;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgb(0 0 0 / 10%), 0 6px 6px rgb(0 0 0 / 10%);
}

.box h1 {
    color: #333;
    font-size: 30px;
    text-align: center;
    margin-bottom: 40px;
}

.box .content {
    color: #666;
    font-size: 16px;
    line-height: 35px;
    text-align: center;
}

.next_btn {
    position: relative;
    width: 200px;
    margin: 0 auto;
    height: 50px;
    background-color: #9F68E0;
    line-height: 50px;
    text-align: center;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    margin-top: 40px;
    box-shadow: 0 5px 5px #ccc;
    cursor: pointer;
    overflow: hidden;
}

.next_btn:active {
    transform: scale(0.96);
}

.slide_into::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1000px;
    height: 1000px;
    border-radius: 50%;
    background-color: #fff;
    transition: all 1s ease-out;
    z-index: 2;
}